CVE-2025-59201
published 2025-10-14CVE-2025-59201: Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker to elevate privileges locally.
PriorityP346high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.41%
33.6th percentile
Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker to elevate privileges locally.
Affected
50 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.21161 | 10.0.10240.21161 |
| microsoft | windows_10_1607 | < 10.0.14393.8519 | 10.0.14393.8519 |
| microsoft | windows_10_1809 | < 10.0.17763.7919 | 10.0.17763.7919 |
| microsoft | windows_10_21h2 | < 10.0.19044.6456 | 10.0.19044.6456 |
| microsoft | windows_10_22h2 | < 10.0.19045.6456 | 10.0.19045.6456 |
| microsoft | windows_10_version_1507 | >= 10.0.10240.0 < 10.0.10240.21161 | 10.0.10240.21161 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.8519 | 10.0.14393.8519 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.7919 | 10.0.17763.7919 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.6456 | 10.0.19044.6456 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.6456 | 10.0.19045.6456 |
| microsoft | windows_11_22h2 | < 10.0.22621.6060 | 10.0.22621.6060 |
| microsoft | windows_11_23h2 | <= 10.0.22631.6060 | — |
| microsoft | windows_11_24h2 | < 10.0.26100.6899 | 10.0.26100.6899 |
| microsoft | windows_11_25h2 | < 10.0.26200.6899 | 10.0.26200.6899 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.6060 | 10.0.22621.6060 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.6060 | 10.0.22631.6060 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.6060 | 10.0.22631.6060 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.6899 | 10.0.26100.6899 |
| microsoft | windows_11_version_25h2 | >= 10.0.26200.0 < 10.0.26200.6899 | 10.0.26200.6899 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.27974 | 6.1.7601.27974 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.23571 | 6.0.6003.23571 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.25722 | 6.2.9200.25722 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.22824 | 6.3.9600.22824 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.8HIGH
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GHSA
GHSA-x898-79w4-9p45: Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker to elevate privileges locally
ghsa_unreviewed·2025-10-14
CVE-2025-59201 [HIGH] CWE-284 GHSA-x898-79w4-9p45: Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker to elevate privileges locally
Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker to elevate privileges locally.
Microsoft
Network Connection Status Indicator (NCSI) Elevation of Privilege Vulnerability
vendor_msrc·2025-10-14·CVSS 7.8
CVE-2025-59201 [HIGH] CWE-284 Network Connection Status Indicator (NCSI) Elevation of Privilege Vulnerability
Network Connection Status Indicator (NCSI) Elevation of Privilege Vulnerability
Description: Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker to elevate privileges locally.
FAQ: What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited this vulnerability could execute code in the security context of the “NT AUTHORITY\Network Service” account.
Network Connection Status Indicator (NCSI): Network Connection Status Indicator (NCSI)
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely
Reference: https://catalog.update.microsoft.com/v7/si
No detection rules found.
No public exploits indexed.
2025-10-14
Published